Protect animation methods from Proguard.
Protect animation methods from Proguard.

Bug: 5096417
Change-Id: I5546dfe0092747c311836bb2134b52be58d77b98

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base